Rosco Manufacturing who is well known for their high-quality heavy use AR-15 pattern barrels has announced they will be expanding into 5.56/300blk AR-15 pattern bolt carrier groups.
Rosco Manufacturing states “These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel.
Our Rosco Phosphate Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements.
We have also balanced input from our consumers and military end users in order to bring you the product you need, not just the one we want to sell you.”
To learn more about Rosco Manufacturing. CLICK HERE
[…] Rosco Manufacturing has released their much anticipated 5.56 / 300BLK bolt carrier groups for the AR-15 pattern. […]